alien_cloud/alien-entity/src/main/resources/mapper/LifeDiscountCouponMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="shop.alien.mapper.LifeDiscountCouponMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="shop.alien.entity.store.LifeDiscountCoupon">
        <id column="id" property="id" />
        <result column="store_id" property="storeId" />
        <result column="name" property="name" />
        <result column="nominal_value" property="nominalValue" />
        <result column="expiration_date" property="expirationDate" />
        <result column="start_date" property="startDate" />
        <result column="end_date" property="endDate" />
        <result column="single_qty" property="singleQty" />
        <result column="supplementary_instruction" property="supplementaryInstruction" />
        <result column="status" property="status" />
        <result column="image_path" property="imagePath" />
        <result column="get_status" property="getStatus" />
        <result column="restricted_quantity" property="restrictedQuantity" />
        <result column="minimum_spending_amount" property="minimumSpendingAmount" />
        <result column="type" property="type" />
        <result column="approval_comments" property="approvalComments" />
        <result column="delete_flag" property="deleteFlag" />
        <result column="created_time" property="createdTime" />
        <result column="updated_time" property="updatedTime" />
        <result column="created_user_id" property="createdUserId" />
        <result column="updated_user_id" property="updatedUserId" />
    </resultMap>



    <!-- 关联 life_coupon 查询代金券（仅 type=4）：按 storeId、couponStatus、single_qty!=0，返回 dis 表以匹配 BaseResultMap -->
    <select id="selectListJoinLifeCoupon" resultMap="BaseResultMap">
        SELECT dis.*
        FROM life_discount_coupon dis
        JOIN life_coupon c ON dis.store_id = c.store_id
        WHERE dis.store_id = #{storeId}
          AND dis.type = 4
          AND dis.coupon_status = #{couponStatus}
          AND dis.delete_flag = 0
          AND (dis.unlimited_qty = 1 OR (dis.single_qty IS NOT NULL AND dis.single_qty != 0))
    </select>

    <!-- 单表查询 life_discount_coupon：type 不为 4 时使用 -->
    <select id="selectListSingleTable" resultMap="BaseResultMap">
        SELECT *
        FROM life_discount_coupon
        WHERE store_id = #{storeId}
          AND coupon_status = #{couponStatus}
          AND delete_flag = 0
          AND (unlimited_qty = 1 OR (single_qty IS NOT NULL AND single_qty != 0))
        <if test="type != null">
          AND type = #{type}
        </if>
        <if test="couponType != null">
          AND coupon_type = #{couponType}
        </if>
    </select>

    <select id="selectByIdIncludeDeleted" resultType="shop.alien.entity.store.LifeDiscountCoupon">
        SELECT * FROM life_discount_coupon WHERE id = #{id}
    </select>

    <select id="selectByIdsIncludeDeleted" resultType="shop.alien.entity.store.LifeDiscountCoupon">
        SELECT * FROM life_discount_coupon
        WHERE id IN
        <foreach collection="ids" item="id" open="(" separator="," close=")">
            #{id}
        </foreach>
    </select>

</mapper>